STYLE: defineDebug: move into Foam namespace

...cations/utilities/mesh/advanced/modifyMesh/cellSplitter.C

...s/utilities/mesh/manipulation/mergeMeshes/mergePolyMesh.C

...s/utilities/mesh/manipulation/polyDualMesh/meshDualiser.C

...graphics/PV3Readers/PV3FoamReader/vtkPV3Foam/vtkPV3Foam.C

...ders/PV3blockMeshReader/vtkPV3blockMesh/vtkPV3blockMesh.C

...cessing/graphics/PV3Readers/vtkPV3Readers/vtkPV3Readers.C

src/ODE/ODESolvers/KRR4/KRR4.C

src/ODE/ODESolvers/ODESolver/ODESolver.C

src/ODE/ODESolvers/RK/RK.C

src/ODE/ODESolvers/SIBS/SIBS.C

src/OSspecific/POSIX/POSIX.C

src/OSspecific/POSIX/fileMonitor.C

src/OSspecific/POSIX/timer.C

src/dynamicFvMesh/dynamicFvMesh/dynamicFvMesh.C

...nctions/solidBodyMotionFunction/solidBodyMotionFunction.C

src/dynamicMesh/boundaryMesh/boundaryMesh.C

src/dynamicMesh/createShellMesh/createShellMesh.C

src/dynamicMesh/fvMeshDistribute/fvMeshDistribute.C

src/dynamicMesh/meshCut/cellCuts/cellCuts.C

...esh/meshCut/meshModifiers/boundaryCutter/boundaryCutter.C